Home / 65,541.06-98,300.66-18,783

Finding the Fourth Proportional to 65,541.06, 98,300.66 and 18,783

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Solution

The fourth proportional to 65,541.06, 98,300.66 and 18,783 is: 28,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,541.06 : 98,300.66 = 18,783 : x
  2. Step 2: Convert to fraction form
    65,541.06/98,300.66 = 18,783/x
  3. Step 3: Cross multiply
    65,541.06x = 98,300.66 × 18,783
  4. Step 4: Simplify right side
    65,541.06x = 1,846,381,202.87
  5. Step 5: Solve for x
    x = 1,846,381,202.87/65,541.06
  6. Step 6: Final answer
    x = 28,171.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.